| Starter | Tm | Tier | Game |
|---|---|---|---|
| Craig Swan | NYN | 7.73 | 198006210_NYN_LAN |
| Bob Welch | LAN | 3.66 | 198006200_NYN_LAN |
| Tommy John | NYA | 3.02 | 198006210_OAK_NYA |
| Ken Forsch | HOU | 2.38 | 198006200_PIT_HOU |
| Jim Palmer | BAL | 1.7 | 198006200_SEA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Sykes | SLN | -3.29 | 198006190_SLN_HOU |
| Chris Knapp | ANA | -2.7 | 198006210_ANA_BOS |
| Lynn McGlothen | CHN | -2.68 | 198006200_CHN_ATL |
| Jesse Jefferson | TOR | -2.59 | 198006210_TOR_TEX |
| Mike Parrott | SEA | -2.4 | 198006190_SEA_BOS |
Based on accumulated WAA for this season up to 1980-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.23 | Steve Carlton | 124 | PHI |
| +002+ | 5.51 | J.R. Richard | 101 | HOU |
| +003+ | 4.76 | Larry Gura | 121 | KCA |
| +006+ | 4 | Bob Welch | 97.7 | LAN |
| +008+ | 3.61 | Vida Blue | 121 | SFN |
| +009+ | 3.54 | Britt Burns | 96.3 | CHA |
| +010+ | 3.45 | Jerry Reuss | 82.3 | LAN |
| +012+ | 3.42 | Jim Clancy | 96.7 | TOR |
| +015+ | 3.21 | Mike Norris | 118.3 | OAK |
| +016+ | 2.96 | David Palmer | 71.3 | WAS |
| +017+ | 2.95 | Craig Swan | 95.7 | NYN |
| +021+ | 2.81 | Nolan Ryan | 96.7 | HOU |
| +025+ | 2.49 | Pete Vuckovich | 101.7 | SLN |
| +034+ | 2.22 | Don Sutton | 78 | LAN |
| +041+ | 2.14 | Rick Honeycutt | 94 | SEA |
| +045+ | 2 | Tommy John | 107 | NYA |
| +046+ | 1.98 | Rick Matula | 86 | ATL |
| +049+ | 1.95 | Jon Matlack | 110.7 | TEX |
| +053+ | 1.89 | Tom Underwood | 87.3 | NYA |
| +054+ | 1.88 | Eddie Solomon | 46.7 | PIT |
| +055+ | 1.87 | Roger Erickson | 60 | MIN |
| +056+ | 1.86 | Steve Rogers | 111 | WAS |
| +063+ | 1.75 | Mike Caldwell | 91 | MIL |
| +064+ | 1.74 | Matt Keough | 109 | OAK |
| +069+ | 1.67 | Randy Jones | 91.7 | SDN |
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